package com.atheima.reggie.controller;

import com.atheima.reggie.common.R;
import com.atheima.reggie.dto.DishDto;
import com.atheima.reggie.entity.Category;
import com.atheima.reggie.entity.Dish;
import com.atheima.reggie.entity.DishFlavor;
import com.atheima.reggie.service.CategoryService;
import com.atheima.reggie.service.DishFlavorService;
import com.atheima.reggie.service.DishService;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * FileName:     DishController
 * CreateBy:     IntelliJ IDEA
 * Author:       wei
 * Date:         2022-09-11
 * Description :菜品管理
 */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){

        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }

    /**
     * 菜品信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page , int pageSize , String name ){

            Page<Dish> pageInfo = new Page<>(page,pageSize);
            Page<DishDto> dishDtoPage = new Page<>();

            //条件构造器
            LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.like(name != null , Dish::getName , name);

            queryWrapper.orderByDesc(Dish::getUpdateTime);

            dishService.page(pageInfo, queryWrapper);

            BeanUtils.copyProperties(pageInfo, dishDtoPage,"records");


            List<Dish> records =pageInfo.getRecords();
            List<DishDto> list =   records.stream().map((item)->{
                DishDto dishDto = new DishDto();

                BeanUtils.copyProperties(item,dishDto);


                Long categoryId = item.getCategoryId();
                Category category = categoryService.getById(categoryId);

                if(category!=null){
                    String categoryName = category.getName();
                    dishDto.setCategoryName(categoryName);
                }


                return dishDto;
            }).collect(Collectors.toList());


            dishDtoPage.setRecords(list);



            return R .success(dishDtoPage);
    }


    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }


    /**
     * 修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){

        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }

    /**
     * 根据条件查询对应的菜品数据
     * @param dish
     * @return
     */
//    @GetMapping("/list")
//    public R<List<Dish>> list(Dish dish){
//        //构造查询条件
//        LambdaQueryWrapper<Dish> queryWrapper  = new LambdaQueryWrapper<>();
//        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
//
//        queryWrapper.eq(Dish::getStatus,1);
//
//
//        //添加排序条件
//        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//
//
//        List<Dish> list = dishService.list(queryWrapper);
//        return R.success(list);
//    }


    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper  = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());

        queryWrapper.eq(Dish::getStatus,1);


        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);


        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtos =   list.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);


            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);

            if(category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }


            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavors= dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavors);
            return dishDto;
        }).collect(Collectors.toList());


        return R.success(dishDtos);
    }

}
